STP4020_ISR1_IDX
rev = stp4020_rd_sockctl(&sc->sc_socks[0], STP4020_ISR1_IDX) &
stp4020_wr_sockctl(h, STP4020_ISR1_IDX, 0x3fff);
stp4020_rd_sockctl(h, STP4020_ISR1_IDX));
#define STP4020_ISR1_REG(s) ((32 * (s)) + STP4020_ISR1_IDX)